Church tweeted yesterday: "I got asked to do the X factor job. I'd rather poke my eyes out with sticks than be a part of the machine that kills "

The 27-year old's spat has undermined her claim that she originally "politely declined" the job opportunity.

She previously told Popjustice: "I had a meeting to ask about the level of involvement in the creative process I could have, and they basically said none unless it was in line with what was required.

Charlotte Church would 'rather poke her eyes out' than join X Factor

The judges line-up in ITV's new promotional video [ITV]

The judges filming scenes in London [Rex]

“I found my answer and politely declined.”

Charlotte Church

"I wanted to see just how hard line it was. I found my answer and politely declined."

Fans will be disappointed to know that outspoken Charlotte will not be going head-to-head with fiery judge Sharon Osbourne, who has returned to the panel this year after quitting the show in 2007.

Reports suggest Sharon was livid with receiving the 'Over 25s' category for the upcoming series - as the Over 25s has been statistically the worst category over the nine years that the show has been running.

Nicole wore an outfit which probably would have made ex Lewis Hamilton cry [Rex]

Take That singer Gary Barlow will mentor the groups, other returning judge Louis Walsh will oversee the boys group and sexy US pop star Nicole Scherzinger will be in charge of the girls.

The judges were informed by phone after original plans to meet Simon Cowell in St Tropez were changed by X Factor officials following his baby news.

ITV's new promotional video for the show has had many fans on the edge of their seat for the new series.

And hundreds turned out to see the new judges film the bootcamp stage in London today, with the series looking to air on ITV1 later this month.